Material Properties

Pad (Kevlar 29 Aramid Fiber)

Disc (Gray Cast Iron, BS Grade 180)

Air

Thermal Conductivity (W/mK)

0.25

53.5

0.02559

Density (kg/m3)

1440

7100

1.1388

Linear Expansion Coefficient (K−1)

−3.3 × 10−6

12 × 10−6

-

Specific Heat Capacity (J/kgK)

1400

385

1.0127

Emissivity

0.82

0.27

-

Modulus of Elasticity (N/m2)

7.1 × 1010

1.06 × 1011

-

Poisson Ratio

0.36

0.24

-

Dynamic Viscosity (Pas)

-

-

1.855 × 10−5